What is Cased Opening?
Definition of Cased Opening in Construction
An opening that has had a casing applied. In most cases, a cased opening is a simple opening between rooms or areas within the structure. The term cased opening normally refers to only an opening without a door, window, etc. The casing, usually matches all the other trim in on the project.
A cased opening can be a door, window or passageway from one room to another. In most instances the casing is wood and can be of any type of architectural presentation, contemporary, colonial, etc.